Unteraar Glacier, Alpine glacier in Bernese Alps, Switzerland.
The Unteraar Glacier extends 13 kilometers through the Bernese Alps, forming at the junction of the Finsteraar and Lauteraar glaciers at 2152 meters elevation.
Louis Agassiz conducted fundamental glaciology research at Unteraar Glacier during the 1840s, establishing methods for measuring ice movement and glacial characteristics.
The glacier maintains research stations where scientists gather data about ice formations, contributing to Switzerland's reputation in environmental studies and Alpine research.
Visitors reach the glacier through marked trails near Grimsel Pass, with guided tours available from June through September during favorable weather conditions.
The surface of Unteraar Glacier contains natural sinkholes large enough to encompass three football fields, creating distinct geological formations within the ice.
Location: Bern
Elevation above the sea: 2,152 m
GPS coordinates: 46.56500,8.21915
Latest update: December 11, 2025 21:46
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